580 EAST 21 STREET
580 EAST 21 STREET is a Class D1 (elevator, semi-fireproof) building in Brooklyn (BBL 3051840041) built in 1961, with 64 residential units across 6 floors.
The building is in NYC community district 314, council district 40, zoning district R7A, on a 15,120-square-foot lot with a building footprint of 61,500 square feet.
The current registered owner of record per NYC PLUTO is HF 580 EAST 21ST LLC.
The most recent ACRIS deed transfer for this BBL was recorded on December 29, 2023 when 580 E. 21ST LLC conveyed the property to 580 E. 21ST LLC; HF 580 EAST 21ST LLC for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
The building is registered with NYC HPD's landlord-registration system and has no open HPD housing-maintenance code violations on record as of May 18, 2026.
Data sourced daily from NYC PLUTO (Department of City Planning), NYC ACRIS (Department of Finance), and NYC HPD housing-maintenance code violations.
Owner of record
HPD registered contacts
- Head OfficerDAVID BLAU
- Corporate Owner580 E 21ST ST LLC
- Managing AgentJ.K MGMT CORP
- Site ManagerJACOB SCHWARTZ
Most recent deed
Recent ACRIS documents (last 5)
Building stats
- Zoning:
- R7A
- Lot size:
- 15,120 sqft
- Building area:
- 61,500 sqft
- Floors:
- 6
- Assessed value:
- $1.7M
- Community district:
- 314
- Council district:
- 40
HPD violations
Recent HPD violation details
- Class AInspected Apr 29, 2026§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ FT AT NORTH AND WEST WALL IN THE 1st RO…
- Class CInspected Apr 29, 2026§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MIS…
- Class BInspected Apr 29, 2026§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WEST WALL IN THE BATHROOM LOCATED AT APT 3…
- Class BInspected Apr 29, 2026§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT LOWER WINDOW SASH, 3RD WINDOW FROM SOUTH AT WEST IN THE…
- Class AInspected Apr 29, 2026§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ FT AT NORTH WALL IN THE 3rd ROOM FROM E…
Recent ACRIS activity
Frequently asked questions about 580 EAST 21 STREET
Who owns 580 EAST 21 STREET?
The current registered owner of record for 580 EAST 21 STREET per NYC PLUTO is HF 580 EAST 21ST LLC. The most recent ACRIS deed transfer for this BBL was recorded on December 29, 2023 when the property was conveyed to 580 E. 21ST LLC; HF 580 EAST 21ST LLC. PLUTO ownership is refreshed monthly by NYC Department of Finance; the registered owner may not reflect transactions recorded within the last 30 days.
When was 580 EAST 21 STREET last sold?
The most recent ACRIS deed transfer for 580 EAST 21 STREET was recorded on December 29, 2023, when 580 E. 21ST LLC conveyed the property to 580 E. 21ST LLC; HF 580 EAST 21ST LLC for a non-disclosed consideration. The transaction was recorded as cash (no paired mortgage instrument).
How many HPD violations does 580 EAST 21 STREET have?
No open HPD housing-maintenance code violations are on record for 580 EAST 21 STREET as of May 18, 2026. The building is registered with NYC HPD's landlord-registration system. HPD violation data is pulled daily from the NYC Open Data violations feed.
What is the assessed value of 580 EAST 21 STREET?
NYC Department of Finance assesses 580 EAST 21 STREET at $1.67M for the current tax year. NYC assesses property at a fraction of estimated market value (the assessment ratio varies by tax class — 6% for tax class 1 one-to-three-family dwellings, approximately 45% for tax class 2 rental apartment buildings), so the market value implied by this assessment is meaningfully higher. Assessment data is published by NYC Department of Finance.
What building class is 580 EAST 21 STREET and what does that mean?
580 EAST 21 STREET is NYC building class D1 — Elevator, semi-fireproof. A semi-fireproof elevator apartment building. Building class is assigned by NYC Department of Finance and recorded in PLUTO; it determines the property's tax class and the regulatory regime that applies.